Add lzma support

build.gradle

@@ -71,6 +71,9 @@ ext {
   java_home = java_home
 
   libDir = "${buildDir}/lib"
+  lzmaDir = "${libDir}/lzma"
+
+  buildOptions = ['', '-lzma']
 }
 
 repositories {
@@ -110,6 +113,7 @@ model {
   }
 
   tasks {
+    buildOptions.each { buildOption ->
       platforms.each { platform ->
         if(platform.operatingSystem.name == "windows") {
           def artifactName = platform.architecture.name == "i386" ? 'win32' : 'win64'
@@ -122,10 +126,16 @@ model {
           }
         }
 
-      task "build${platform.name}"(type: Exec) {
+        task "build${platform.name}${buildOption}"(type: Exec) {
           executable "make"
           args "platform=${platform.operatingSystem.name}",
                "arch=${platform.architecture.name}"
+
+          if(buildOption == "-lzma") {
+            dependsOn 'extractLzma'
+            args "lzma=${lzmaDir}"
+          }
+
           if(platform.operatingSystem.name == "windows") {
               dependsOn "extract${platform.name}"
               args "win32=${libDir}/tools/win32",
@@ -135,7 +145,8 @@ model {
         }
 
         assemble {
-        dependsOn "build${platform.name}"
+          dependsOn "build${platform.name}${buildOption}"
+        }
       }
     }
   }
@@ -175,6 +186,19 @@ jar {
   baseName "classpath-avian"
 }
 
+task downloadLzma(type: Exec) {
+  commandLine "curl"
+  args "--create-dirs", "-o", "${lzmaDir}/lzma920.tar.bz2", "-f", "http://oss.readytalk.com/avian-web/lzma920.tar.bz2"
+}
+
+task extractLzma(type: Copy) {
+  dependsOn downloadLzma
+  from {
+    tarTree(resources.bzip2("${lzmaDir}/lzma920.tar.bz2"))
+  }
+  into lzmaDir
+}
+
 task install {
   dependsOn assemble, publish
 }
@@ -212,19 +236,20 @@ publishing {
       }
     }
 
+    buildOptions.each { buildOption ->
       platforms.each { platform ->
         def binSuffix=""
         def publishBinSuffix="bin"
 
-      create(platform.name, IvyPublication) {
+        create("${platform.name}${buildOption}", IvyPublication) {
-        def nativeBuildDir = "${buildDir}/${platform.operatingSystem.name}-${platform.architecture.name}"
+          def nativeBuildDir = "${buildDir}/${platform.operatingSystem.name}-${platform.architecture.name}${buildOption}"
 
           if(platform.operatingSystem.name == "windows") {
             publishBinSuffix = "exe"
             binSuffix = ".${publishBinSuffix}"
           }
 
-        module "runtime-avian-${platform.name}"
+          module "runtime-avian${buildOption}-${platform.name}"
 
           artifact("${nativeBuildDir}/avian${binSuffix}") {
             name "avian"
@@ -241,6 +266,7 @@ publishing {
       }
     }
   }
+}
 
 artifactoryPublish {
   onlyIf {